THALASSA. 209 



Menoscelis. 



Dejean, Cat. p. 459 (typ. saginata). 



Clypeus semicircularly emarginate, tibise dilated, abdominal 

 plates terminal, incomplete, thorax margined at the base. 



Menoscelis insignis. 



Menoscelis insignis, Muls. Spec. p. 509. 2. 



Menoscelis saginata, Muls. Sjiec. p. 508. 1. 



Cayenne (Chevrolat, Reiche, Deyrolle). M. saginata appears 

 to me a pale variety of insignis, the quadrate common spot is 

 identical in both, and all details of structure and punctuation. 



Thalassa. 



Muls. Spec. p. 511 (typ. pentaspilota). 



Central and S. America. 



Clypeus gently emarginate; surface alutaceous, punctuation 

 rather obsolete but close ; abdominal plates terminal, incomplete. 

 Elytra not margined ; thorax very obsoletely margined at the base. 



Thalassa Montezumae. 



Thalassa Montezumm, Muls. Spec. p. 512. 1 (T). 

 Mexico (Chevrolat). N. Orleans (Pilate). 

 <J. Head and thorax with the anterior margin and angles 

 yellow. 



Thalassa pentaspilota. 



Coccinella pentaspilota, Ghev. Col. Mex.fasc. v. 124 (T). 

 Thalassa pentastigma, Muls. Spec. p. 512. 2. 

 Mexico (Chevrolat). Cuba (Deyrolle). 

 <J . Anterior margin of thorax yellow. 



Thalassa flaviceps. 



Thalassa flaviceps, Muls. Spec. p. 513. 3. 



Thalassina prasina, Muls. Spec. p. 516. 6. 



<J . Head and anterior margin of the thorax orange. 



Cuba (Chevrolat, Guerin, Deyrolle). T. prasina is evidently 

 the female of this species, distinct from the others by its dark 

 legs. 



Thalassa shnilaris. 



Thalassa similaris, Muls. Spec. p. 514. 4 (T). 



N. Granada? (Guerin). 



<J. Head orange, thorax with anterior margin orange. 



Thalassa glauca. 



Menoscelis glauca, Muls. Spec. p. 510. 3 (T). 



Thalassa Reyi, Muls. Spec. p. 515. 5 (T). 



Brazil (Buquet, Dupont), Stalatarina (Deyrolle). The type of 



c. 27 



